Table 1.
Summary and Intergroup Comparison of Demographic and Baseline Characteristics. a
| Paired | Random | Standard | P Value | |
|---|---|---|---|---|
| Age in years (SD) | 51 (12.1) | 53 (9.9) | 53 (10.6) | .746 |
| Male (%) | 24 (35.8) | 25 (37.3) | 18 (26.9) | .191 |
| Duration in months from onset of stroke (SD) | 55 (142) | 43 (94) | 30 (29) | .630 |
| Infarct (%) | 19 (59.4) | 20 (62.5) | 19 (61.3) | 1.000 |
| Stable dose of baclofen in mg (SD) | 20.4 (20.8) | 15.6 (12.1) | 15.6 (13.6) | .474 |
| Physiotherapy hours per week (SD) | 4.2 (2.6) | 3.5 (2.2) | 6.1 (3.7) | .203 |
| Mean ARAT at baseline (SD) | 18.3 (19.4) | 10.8 (12.3) | 17.3 (20.0) | .194 |
| Modified Ashworth score, mean (SD) at baseline | 1.5 (0.8) | 1.9 (1.0) | 2.1 (1.2) | .179 |
| Mean power grip at baseline, affected as percentage of unaffected (SD) | 28.9 (22.98) | 22.7 (13.16) | 30.28 (16.48) | .216 |
| Range of movement around wrist in degrees (SD) | 48.4 (40.21) | 30.23 (37.06) | 42.82 (43.59) | .315 |
| MCA (%) | 13 (40.6) | 16 (50.0) | 16 (51.6) | .884 |
| ACA (%) | 1 (3.1) | 1 (3.1) | 1 (3.2) | |
| PCA (%) | 3 (9.4) | 1 (3.1) | 1 (3.2) |
Abbreviations: ACA, anterior cerebral artery; ARAT, Action Research Arm Test; MCA, middle cerebral artery; PCA, posterior cerebral artery.
a
The difference of numerical variables among the 3 independent groups was estimated using 1-way ANOVA for parametric data, Kruskal-Wallis H test for nonparametric data, and categorical variables using the Fisher exact test. P value <.05 was considered statistically significant.